Home / 33,983.12-51,005.81-18,205.95

Finding the Fourth Proportional to 33,983.12, 51,005.81 and 18,205.95

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Solution

The fourth proportional to 33,983.12, 51,005.81 and 18,205.95 is: 27,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,983.12 : 51,005.81 = 18,205.95 : x
  2. Step 2: Convert to fraction form
    33,983.12/51,005.81 = 18,205.95/x
  3. Step 3: Cross multiply
    33,983.12x = 51,005.81 × 18,205.95
  4. Step 4: Simplify right side
    33,983.12x = 928,609,135.54
  5. Step 5: Solve for x
    x = 928,609,135.54/33,983.12
  6. Step 6: Final answer
    x = 27,325.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.